Tepsin's FitRite Insulated Backflow Cover for Winter Freeze 16.5" x 21" Brand New There are far too many other things you need to worry about, so let us take care of your backflow device with the Fit-Rite II™ insulated backflow/RP cover. When used properly in combination with the proper draining and winterizing of your sprinkler system, this cover will help prevent sprinkler backflow valves from freezing when the outside temperature falls below 32 degrees Fahrenheit.
Hat Channels / Drywall Furring Channels - 25 gauge steel 7/8" depth 10' length. Made by Phillips MFG and specially ordered through Acoustic Material Services in San Leandro, CA. https://www.phillipsmfg.com/78-dwc-hat-furring-channel/ If you are looking you probably already know but these are to decouple drywall assemblies for soundproofing walls and ceilings.